CN109900558B - Experimental device and experimental method for testing bearing water pressure of buried water stop in construction joint - Google Patents
Experimental device and experimental method for testing bearing water pressure of buried water stop in construction joint Download PDFInfo
- Publication number
- CN109900558B CN109900558B CN201910350280.1A CN201910350280A CN109900558B CN 109900558 B CN109900558 B CN 109900558B CN 201910350280 A CN201910350280 A CN 201910350280A CN 109900558 B CN109900558 B CN 109900558B
- Authority
- CN
- China
- Prior art keywords
- water stop
- steel plate
- water
- steel pipe
- stop ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 195
- 238000010276 construction Methods 0.000 title claims abstract description 48
- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000002474 experimental method Methods 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 140
- 239000010959 steel Substances 0.000 claims abstract description 140
- 230000000903 blocking effect Effects 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 230000004323 axial length Effects 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000010998 test method Methods 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The invention provides an experimental device and an experimental method for testing the bearing water pressure of a buried water stop in a construction joint, and belongs to the technical field of measurement and test. The method solves the problem that the joint of the water stop belt is damaged at first when the water stop belt is pressurized in the existing experimental method for testing the bearing water pressure of the buried water stop belt in the construction joint. The construction joint is internally provided with a semicircular steel plate with the diameter equal to the inner diameter of the water stop ring and the arc edge closely attached to the inner wall of the water stop ring, a round hole is formed in the semicircular steel plate, a steel pipe communicated with the round hole is welded on the semicircular steel plate, the upper end of the steel pipe penetrates out of the lining and then is connected with a pressure pump, and a blocking structure used for preventing water entering from the steel pipe from flowing to one side of the joint is arranged on the semicircular steel plate. The invention can effectively prevent the weak point of the water stop belt from being damaged, and has the advantages of reasonable structural design, good experimental effect, wide application range and the like.
Description
Technical Field
The invention belongs to the technical field of measurement and test, and relates to an experimental device and an experimental method for testing the bearing water pressure of a buried water stop in a construction joint.
Background
The high water pressure mountain tunnel, because the water pressure is big, collapse and gushing water of suddenly mud take place very easily, bring very big challenge for the construction and the durability of tunnel, for the operation of guaranteeing the tunnel, wherein the construction joint in many mountain tunnels all adopts buried waterstop waterproof. Because no method for testing the water-pressure-resistant strength of the water stop belt exists at present, great trouble is caused to design and construction, and the waterproof design of the tunnel has great blindness.
For this reason, chinese patent discloses a test method for water pressure resistance of a construction joint with a limit of dimensions such as a buried water stop [ application publication No. CN107702996a ], including a steel bolt, a construction joint, a triangular steel plate, a steel pipe, a water stop steel sheet, a round steel plate, a water stop and a water stop joint. The method comprises the steps of testing the maximum water pressure born by a construction joint water stop belt through simulating an on-site tunnel lining actual equal-size model bearing the water pressure by the model water pressure; taking a round steel plate and four right-angle triangle steel plates, opening the round steel plate, welding the steel pipe and the round steel plate at a small opening, and welding the right-angle triangle steel plates on the round steel plate and the steel pipe to increase structural rigidity; taking a water stop with a certain length to be just enclosed on a disc of an instrument, and bonding the water stop to ensure that the joint is watertight; pouring lower concrete, pouring the lower half part of the water stop which surrounds into a round shape in the lower concrete, placing welded instruments after the lower concrete is initially set, and pouring the upper half part of concrete, so that a construction joint is naturally formed.
Although the test method is suitable for popularization and use, the following problems still exist: because the joints of the water stop are bonded together by using cold gel or hot melt measures, the bonding parts of the water stop are weak points and are arranged adjacent to the construction joints, and the joints of the water stop can be damaged firstly in the pressurizing test, so that the test effect cannot be achieved.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an experimental device for guaranteeing that a water stop joint cannot be damaged first, and the water stop bearing pressure of a buried water stop in a test construction joint is provided.
An experimental method for testing the bearing water pressure of the buried water stop in the construction joint is also provided.
The aim of the invention can be achieved by the following technical scheme:
The experimental device for testing water stop bearing pressure of the buried water stop in the construction joint comprises a cylindrical lining with the construction joint in the middle and an annular water stop ring with a joint, wherein the annular water stop ring is surrounded by a rectangular water stop, the water stop ring is coaxial and is centrally arranged in the lining, and the axial length of the water stop ring is smaller than the height of the lining.
The upper part of the steel pipe is provided with a gas release hole, a pressure gauge connecting hole and a water injection hole, a gas release valve is arranged in the gas release hole, and the pressure pump is connected with the water injection hole. When water injection is started, the air release valve is opened, air in the steel pipe is discharged through the air release hole, when the air is completely discharged, the air release valve is closed, and the pressure pump gradually pressurizes water.
In the experimental device for testing the water stop bearing water pressure in the construction joint, the construction joint divides the lining into an upper part and a lower part with equal height, the blocking structure comprises a rectangular steel plate vertically fixed on a semicircular steel plate and extending into the lower part, and the left end and the right end of the rectangular steel plate are respectively closely attached to the inner wall of the water stop ring.
The rectangular steel plate lengthens the seepage path, so that the water stop ring is subjected to water pressure with one-side orientation.
In the experimental device for testing the water stop bearing pressure of the buried water stop in the construction joint, the length of the rectangular steel plate is equal to the diameter of the semicircular steel plate, the width of the rectangular steel plate is larger than 20mm, the thickness of the rectangular steel plate is larger than 2mm, and the plane formed by the joint and the central axis of the water stop ring is perpendicular to the rectangular steel plate.
In the experimental device for bearing water pressure by the buried water stop in the test construction joint, the circular water stop which is arranged in the upper part and is coaxial with the steel pipe is welded outside the steel pipe, and the water stop is arranged above the water stop ring, and the distance between the top end of the water stop ring and the water stop plate is greater than 50mm. The water baffle mainly plays a role in preventing water flow from exuding along the steel pipe, has no requirement on strength, is not suitable for being excessively large in thickness on the premise of ensuring welding quality, and has the thickness ranging from 0.2mm to 5mm, and the diameter of the water baffle is larger than 100mm.
In the experimental device for testing the bearing water pressure of the water stop belt buried in the construction joint, the right-angled triangle steel plate is welded between the steel pipe and the semicircular steel plate, the right-angled triangle steel plate and the rectangular steel plate are vertically arranged, and the straight edge of the right-angled triangle steel plate is larger than 30mm.
In the experimental device for testing the water stop bearing pressure of the buried water stop in the construction joint, the steel pipe is an elongated pipe, the inner diameter of the steel pipe is larger than 10mm, and the wall thickness of the steel pipe is larger than 2mm. The steel pipe should be as small as possible in diameter and wall thickness to prevent the steel pipe from being pulled apart due to too high water pressure, and the length of the steel pipe is greater than the sum of the lining thickness and half width of the water stop.
In the experimental device for testing the bearing water pressure of the buried water stop in the construction joint, the radius of the semicircular steel plate is larger than 100mm, and the thickness of the semicircular steel plate is larger than 2mm.
An experimental method for testing the bearing water pressure of a buried water stop in a construction joint comprises the following steps:
A. Welding a semicircular steel plate, a rectangular steel plate and a steel pipe together to form an inner template, and welding a circular water baffle on the upper part of the steel pipe; water is prevented from exuding along the steel pipe;
B. Taking a water stop belt with a certain length, enclosing the water stop belt into an annular water stop ring along the length direction of the water stop belt, and bonding the water stop ring and the water stop ring together at a joint by using an adhesive; the adhesive is cold gel, so that the adhesive is waterproof;
C. Erecting a bottom template and a side template, forming a pouring cavity between the bottom template and the side template, centering and positioning a water stop ring in the pouring cavity, pouring the lower part of a lining from bottom to top, and pouring the lower part of the water stop ring into the lining;
D. placing an inner template on the lower part of the lining to ensure that the arc edge of the semicircular steel plate is closely attached to the inner wall of the water stop ring, pouring the upper part of the lining after the initial setting time of the lower part of the lining, and forming a construction joint between the upper part and the lower part;
E. And (3) connecting the steel pipe to a pressure pump, pressurizing step by step, and obtaining the maximum water pressure when water seepage or lining cracking or pressure gauge reduction of the water stop is observed.
In the experimental method for testing the bearing water pressure of the buried water stop in the construction joint, the pressure applied to each stage in step E is 0.1-1 MPa, and the pressure stabilizing time of each stage is more than 5 minutes.
Compared with the prior art, the invention has the following advantages:
The method can simulate the actual structure of the lining construction joint, can test the water pressure resistance of the lining at the construction joint which adopts the buried water stop to prevent water, verify whether the water pressure resistance reaches the water pressure resistance level required by design, feed back the design, and adjust the lining parameters and the waterproof mode; the unilateral pressurization makes the water stop joint keep away from one side of construction joint, guarantees that water stop weak point can not receive the pressure of water earlier and follow the seam and destroy.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of the present invention.
Fig. 2 is a schematic view of a part of the structure of the inner mold plate provided by the invention.
FIG. 3 is a water stop ring layout provided by the present invention.
In the figure, 1, a construction joint; 2. lining; 3. a joint; 4. a water stop ring; 5. a semicircular steel plate; 6. a round hole; 7. a steel pipe; 8. a rectangular steel plate; 9. a water baffle; 10. right-angle triangle steel plates; 11. a bottom template; 12. and (5) a sideform.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
The experimental device for testing water stop bearing water pressure in construction joints is shown in fig. 1, the experimental device comprises a cylindrical lining 2 with a construction joint 1 in the middle and an annular water stop ring 4 with a joint 3, wherein the annular water stop ring 4 is surrounded by a rectangular water stop belt, the annular water stop ring 4 is coaxially and centrally arranged in the lining 2, the axial length of the water stop ring 4 is smaller than the height of the lining 2, a semicircular steel plate 5 with the diameter equal to the inner diameter of the water stop ring 4 and the arc edge closely attached to the inner wall of the water stop ring 4 is arranged in the construction joint 1, a round hole 6 and a steel pipe 7 communicated with the round hole 6 are arranged on the semicircular steel plate 5, the upper end of the steel pipe 7 penetrates out of the lining 2 and then is connected with a pressure pump, and a blocking structure for preventing water entering from the steel pipe 7 from flowing to one side of the joint 3 is arranged on the semicircular steel plate 5.
A gas release hole, a pressure gauge connecting hole and a water injection hole are arranged above the steel pipe 7, a gas release valve is arranged in the gas release hole, and a pressure pump is connected with the water injection hole. When water injection is started, the air release valve is opened, air in the steel pipe 7 is discharged through the air release hole, when the air is completely discharged, the air release valve is closed, and the pressure pump gradually pressurizes water.
As shown in fig. 1 and 2, the construction joint 1 divides the lining 2 into an upper part and a lower part with equal height, the blocking structure comprises a rectangular steel plate 8 vertically fixed on a semicircular steel plate 5 and extending into the lower part, and the left and right ends of the rectangular steel plate 8 are respectively closely abutted with the inner wall of the water stop ring 4. The rectangular steel plate 8 lengthens the seepage path, so that the water stop ring 4 is subjected to water pressure in a single-sided orientation.
In this embodiment, the length of the rectangular steel plate 8 is equal to the diameter of the semicircular steel plate 5, the width of the rectangular steel plate 8 is greater than 20mm, the thickness of the rectangular steel plate 8 is greater than 2mm, and the plane formed by the joint 3 and the central axis of the water stop ring 4 is perpendicular to the rectangular steel plate 8.
As shown in fig. 1, a circular water baffle 9 which is arranged coaxially with the steel pipe 7 and is positioned in the upper part is welded outside the steel pipe 7, the water baffle 9 is positioned above the water stop ring 4, and the distance between the top end of the water stop ring 4 and the water baffle 9 is more than 50mm. The water baffle 9 mainly plays a role in preventing water flow from seeping out along the steel pipe 7, has no requirement on strength, and has the thickness of 0.2-5 mm and the diameter of the water baffle 9 of more than 100mm under the premise of ensuring welding quality.
As shown in fig. 2, a right triangle steel plate 10 is welded between the steel pipe 7 and the semicircular steel plate 5, the right triangle steel plate 10 is perpendicular to the rectangular steel plate 8, and the straight edge of the right triangle steel plate 10 is larger than 30mm.
The steel pipe 7 in this embodiment is an elongated pipe, the inner diameter of the steel pipe 7 is greater than 10mm, and the wall thickness of the steel pipe 7 is greater than 2mm. The steel pipe 7 should be as small as possible in diameter and wall thickness to prevent the steel pipe 7 from being pulled apart due to too high water pressure, and the length of the steel pipe 7 is larger than the sum of the thickness of the lining 2 and half of the width of the water stop.
The radius of the semicircular steel plate 5 is more than 100mm, and the thickness of the semicircular steel plate is more than 2mm.
An experimental method for testing the bearing water pressure of a buried water stop in a construction joint comprises the following steps:
selecting a steel pipe 7 with a wall thickness of 5mm, a length of 100mm and an inner diameter of 10mm, wherein the material is Q345 steel; a semicircular steel plate 5 with the thickness of 0.2mm and the radius of 100mm is selected; a rectangular steel plate 8 with the width of 20mm is selected, and the length of the rectangular steel plate 8 is equal to the diameter of the semicircular steel plate 5;
A. welding a semicircular steel plate 5, a rectangular steel plate 8 and a steel pipe 7 together to form an inner template, and welding a circular water baffle 9 on the upper part of the steel pipe 7; water is prevented from seeping along the steel pipe 7;
B. taking a water stop belt with a certain length, enclosing the water stop belt into an annular water stop ring 4 along the length direction of the water stop belt, and bonding the water stop ring and the water stop ring together at a joint 3 by using an adhesive; the adhesive is cold gel, so that the adhesive is waterproof;
C. Supporting a bottom template 11 and a side template 12, forming a pouring cavity between the bottom template 11 and the side template 12, centering and positioning a water stop ring 4 in the pouring cavity, pouring the lower part of a lining 2 from bottom to top, and pouring the lower part of the water stop ring 4 into the lining 2; the distance of the water stop from the free surface outside the lining 2 is 400mm, the diameter of the lining 2 is 1m, and the height is 1.1m.
D. placing an inner template on the lower part of the lining 2, ensuring that the arc edge of the semicircular steel plate 5 is closely attached to the inner wall of the water stop ring 4, pouring the upper part of the lining 2 after the initial setting time of the lower part of the lining 2, and forming a construction joint 1 between the upper part and the lower part;
E. The steel pipe 7 is connected with a pressure pump for pressurizing step by step, and the maximum water pressure is obtained when water seepage of the water stop or cracking of the lining 2 or reduction of the pressure gauge is observed.
During experiments, the air release valve is opened, water is injected into the steel pipe 7, the air release valve is closed when water flows out from the air release hole, the pressurization is continued, the pressurization is stopped when the water pressure is increased to 0.25MPa, the pressure is maintained for 10 minutes, and if obvious depressurization occurs in the middle, the pressure is supplemented in time.
Taking 0.5MPa as a first stage, boosting upwards, maintaining pressure for 10 minutes at each stage, and supplementing pressure in time when the pressure is reduced halfway to be more than 0.5 MPa. And when the pressure reaches 4.5MPa, stabilizing the pressure for 48 hours. Continuing to pressurize.
When the water stop is broken and water leakage occurs or the water stop and the construction joint 1 are leaked, the maximum water pressure value is considered to be reached.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The experimental device for testing the water pressure born by the buried water stop in the construction joint comprises a cylindrical lining (2) with the construction joint (1) in the middle and an annular water stop ring (4) with a joint (3) surrounded by a rectangular water stop, wherein the water stop ring (4) is coaxially and centrally arranged in the lining (2), and the axial length of the water stop ring (4) is smaller than the height of the lining (2), and the experimental device is characterized in that a semicircular steel plate (5) with the diameter equal to the inner diameter of the water stop ring (4) and the arc edge of which is tightly attached to the inner wall of the water stop ring (4) is arranged in the construction joint (1), a round hole (6) and a steel pipe (7) communicated with the round hole (6) are arranged on the semicircular steel plate (5), the upper end of the steel pipe (7) penetrates out of the lining (2) and is connected with a pressure pump, and a blocking structure for preventing water from entering from the steel pipe (7) to one side of the joint (3) is arranged on the semicircular steel plate (5);
The lining (2) is divided into an upper part and a lower part with equal height by the construction joint (1), the blocking structure comprises a rectangular steel plate (8) vertically fixed on a semicircular steel plate (5) and extending into the lower part, and the left end and the right end of the rectangular steel plate (8) are respectively closely attached to the inner wall of the water stop ring (4);
the seam (3) and the round hole (6) are respectively positioned at different sides of the rectangular steel plate (8);
The length of the rectangular steel plate (8) is equal to the diameter of the semicircular steel plate (5), the width of the rectangular steel plate (8) is larger than 20mm, the thickness of the rectangular steel plate is larger than 2mm, and a plane formed by the joint (3) and the central axis of the water stop ring (4) is perpendicular to the rectangular steel plate (8);
the outside of the steel pipe (7) is welded with a circular water baffle (9) which is positioned in the upper part and is coaxial with the steel pipe (7), the water baffle (9) is positioned above the water stop ring (4), and the distance between the top end of the water stop ring (4) and the water baffle (9) is more than 50mm;
A right triangle steel plate (10) is welded between the steel pipe (7) and the semicircular steel plate (5), the right triangle steel plate (10) and the rectangular steel plate (8) are vertically arranged, and the straight edge of the right triangle steel plate (10) is larger than 30mm.
2. The experimental device for testing the water pressure bearing capacity of a buried water stop in a construction joint according to claim 1, wherein the steel pipe (7) is an elongated pipe, the inner diameter of the steel pipe (7) is larger than 10mm, and the wall thickness of the steel pipe (7) is larger than 2mm.
3. The experimental device for testing the water pressure bearing capacity of a buried water stop in a construction joint according to claim 1, wherein the radius of the semicircular steel plate (5) is more than 100mm, and the thickness thereof is more than 2mm.
4. An experimental method of an experimental device suitable for testing the water pressure bearing capacity of a buried water stop in a construction joint according to claim 2, comprising the following steps: A. welding a semicircular steel plate (5), a rectangular steel plate (8) and a steel pipe (7) together to form an inner template, and welding a circular water baffle (9) on the upper part of the steel pipe (7);
B. Taking a water stop belt with a certain length, enclosing the water stop belt into an annular water stop ring (4) along the length direction of the water stop belt, and bonding the water stop ring and the water stop ring together at a joint (3) by using an adhesive;
C. A bottom template (11) and a side template (12) are supported, a pouring cavity is formed between the bottom template (11) and the side template (12), a water stop ring (4) is centered and positioned in the pouring cavity, the lower part of a lining (2) is poured from bottom to top, and the lower part of the water stop ring (4) is poured into the lining (2);
D. placing the inner template on the lower part of the lining (2), ensuring that the arc edge of the semicircular steel plate (5) is closely attached to the inner wall of the water stop ring (4), pouring the upper part of the lining (2) after the initial setting time of the lower part of the lining (2), and forming a construction joint (1) between the upper part and the lower part;
E. The steel pipe (7) is connected with a pressure pump for pressurizing step by step, and when water seepage of the water stop belt or cracking of the lining (2) or reduction of the pressure gauge is observed, the maximum water pressure is obtained.
5. The experimental method for testing the experimental device for the water pressure bearing of the buried water stop in the construction joint according to claim 4, wherein the pressure applied to each stage in the step E is 0.1-1 MPa in the step E, and the pressure stabilizing time of each stage is more than 5 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350280.1A CN109900558B (en) | 2019-04-28 | 2019-04-28 | Experimental device and experimental method for testing bearing water pressure of buried water stop in construction joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350280.1A CN109900558B (en) | 2019-04-28 | 2019-04-28 | Experimental device and experimental method for testing bearing water pressure of buried water stop in construction joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109900558A CN109900558A (en) | 2019-06-18 |
| CN109900558B true CN109900558B (en) | 2024-05-03 |
Family
ID=66956534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910350280.1A Active CN109900558B (en) | 2019-04-28 | 2019-04-28 | Experimental device and experimental method for testing bearing water pressure of buried water stop in construction joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109900558B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217019B (en) * | 2021-04-01 | 2023-11-17 | 中铁二院贵阳勘察设计研究院有限责任公司 | Test method for testing effectiveness of drain pipe of quick-installation water stop |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU941598A1 (en) * | 1978-04-07 | 1982-07-07 | Грузинский Ордена Трудового Красного Знамени Научно-Исследовательский Институт Энергетики И Гидротехнических Сооружений | Bed for testing a fraction of pressure-head tunnel lining |
| JP2002322899A (en) * | 2001-04-24 | 2002-11-08 | Shimizu Corp | Joint structure of lining body in cast-in-place lining shielding construction method, its execution method and flexible cut-off plate |
| CN101013073A (en) * | 2007-02-08 | 2007-08-08 | 中国建筑第二工程局 | Cast-in-situs steel reinforced concrete raceway water pressure testing method |
| CN102175406A (en) * | 2011-01-27 | 2011-09-07 | 中交四航工程研究院有限公司 | Test system and test method for water tightness test of tunnel deformation joint waterstop |
| CN102797912A (en) * | 2012-08-15 | 2012-11-28 | 中国水电顾问集团成都勘测设计研究院 | Water stop structure at penstock wall-through part for underwater concrete wall |
| CN104849135A (en) * | 2015-05-26 | 2015-08-19 | 中国电建集团中南勘测设计研究院有限公司 | Testing device for measuring hydrodynamic gap pressure of bottom plates of plunge pool |
| JP2016113750A (en) * | 2014-12-11 | 2016-06-23 | 新日鐵住金株式会社 | Joint structure connecting steel sheet pile with steel pipe sheet pile |
| JP2017201078A (en) * | 2016-05-02 | 2017-11-09 | 株式会社大林組 | Tunnel lining concrete and construction method of lining concrete |
| CN206721823U (en) * | 2017-05-09 | 2017-12-08 | 中国葛洲坝集团国际工程有限公司 | Pore structure is reserved in a kind of dam joint grouting |
| CN107576574A (en) * | 2017-09-13 | 2018-01-12 | 中交公局桥隧工程有限公司 | The watertight test method of the waterstop equidimension limit is buried in a kind of movement joint |
| CN107702996A (en) * | 2017-10-18 | 2018-02-16 | 中交公局桥隧工程有限公司 | The watertight test method of the waterstop equidimension limit is buried in a kind of construction joint |
| CN209878496U (en) * | 2019-04-28 | 2019-12-31 | 中铁二院重庆勘察设计研究院有限责任公司 | Experimental device for testing water pressure borne by buried water stop in construction joint |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004057503B4 (en) * | 2004-11-29 | 2013-11-21 | Roche Diagnostics Gmbh | Diagnostic system for determining substance concentrations in liquid samples |
-
2019
- 2019-04-28 CN CN201910350280.1A patent/CN109900558B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU941598A1 (en) * | 1978-04-07 | 1982-07-07 | Грузинский Ордена Трудового Красного Знамени Научно-Исследовательский Институт Энергетики И Гидротехнических Сооружений | Bed for testing a fraction of pressure-head tunnel lining |
| JP2002322899A (en) * | 2001-04-24 | 2002-11-08 | Shimizu Corp | Joint structure of lining body in cast-in-place lining shielding construction method, its execution method and flexible cut-off plate |
| CN101013073A (en) * | 2007-02-08 | 2007-08-08 | 中国建筑第二工程局 | Cast-in-situs steel reinforced concrete raceway water pressure testing method |
| CN102175406A (en) * | 2011-01-27 | 2011-09-07 | 中交四航工程研究院有限公司 | Test system and test method for water tightness test of tunnel deformation joint waterstop |
| CN102797912A (en) * | 2012-08-15 | 2012-11-28 | 中国水电顾问集团成都勘测设计研究院 | Water stop structure at penstock wall-through part for underwater concrete wall |
| JP2016113750A (en) * | 2014-12-11 | 2016-06-23 | 新日鐵住金株式会社 | Joint structure connecting steel sheet pile with steel pipe sheet pile |
| CN104849135A (en) * | 2015-05-26 | 2015-08-19 | 中国电建集团中南勘测设计研究院有限公司 | Testing device for measuring hydrodynamic gap pressure of bottom plates of plunge pool |
| JP2017201078A (en) * | 2016-05-02 | 2017-11-09 | 株式会社大林組 | Tunnel lining concrete and construction method of lining concrete |
| CN206721823U (en) * | 2017-05-09 | 2017-12-08 | 中国葛洲坝集团国际工程有限公司 | Pore structure is reserved in a kind of dam joint grouting |
| CN107576574A (en) * | 2017-09-13 | 2018-01-12 | 中交公局桥隧工程有限公司 | The watertight test method of the waterstop equidimension limit is buried in a kind of movement joint |
| CN107702996A (en) * | 2017-10-18 | 2018-02-16 | 中交公局桥隧工程有限公司 | The watertight test method of the waterstop equidimension limit is buried in a kind of construction joint |
| CN209878496U (en) * | 2019-04-28 | 2019-12-31 | 中铁二院重庆勘察设计研究院有限责任公司 | Experimental device for testing water pressure borne by buried water stop in construction joint |
Non-Patent Citations (5)
| Title |
|---|
| Water/Air Mass Stopping Power Ratios for Megavoltage Photon and Electron Beams;A. E. NAHUM;《Physics in Medicine & Biology》;19781231;第23卷(第1期);第24-38页 * |
| 地铁工程变形缝防水、堵水设计之正误;朱祖熹;;中国建筑防水;20130905(第17期);全文 * |
| 城市综合管廊现浇结构变形缝复合防水施工技术研究;宋金岭;杨鹏伟;;价值工程;20180408(第10期);全文 * |
| 闸室抗磨水平钢板与混凝土接缝灌浆设计和施工方法的探讨;何永成;水电站设计;19960330(第01期);全文 * |
| 隧道衬砌施工缝蝶形可排水止水带研制;吕康成;马超超;吉哲;许鹏;;现代隧道技术;20111215(第06期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109900558A (en) | 2019-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108252726B (en) | Device for preventing tunnel secondary lining vault from emptying and construction method thereof | |
| CN107489435B (en) | Replaceable inflatable water stop for mine tunnel | |
| CN106501496B (en) | A kind of visual CFST Arch Bridge pipe inner concrete perfusion experimental rig | |
| AU2013357138A1 (en) | Rock anchor bolt | |
| CN105092181A (en) | Test device and method for testing sealing performance of pipe joint in pipe-jacking construction | |
| CN109900558B (en) | Experimental device and experimental method for testing bearing water pressure of buried water stop in construction joint | |
| CN209145606U (en) | A kind of shield reception ruggedized construction | |
| CN209878494U (en) | Experimental device for testing water pressure borne by buried water stop in deformation joint | |
| CN102252147B (en) | Method for repairing crack of pipeline | |
| CN108894250A (en) | A kind of docking system of submarine pipeline | |
| CN102095643B (en) | Method for testing leak stopping of tunnel joint | |
| CN209878496U (en) | Experimental device for testing water pressure borne by buried water stop in construction joint | |
| CN112268807B (en) | Device and method for testing water pressure resistance of plugging material in real medium | |
| CN105890851A (en) | Large-caliber cast iron pipe pressure testing device without backrest, and large-caliber cast iron pipe pressure testing method without backrest | |
| CN108131494B (en) | A kind of construction method that steel pipe is connect with concrete prefabricated pipe | |
| CN103939688B (en) | Water delivery pipeline for connecting and replacing underground glass fiber reinforced plastic sand inclusion pipe and steel pipe | |
| CN213418235U (en) | Prefabricated assembled FRP pipe-concrete-steel pipe combination column | |
| CN104196023B (en) | A kind of using method of the concrete precast pipe pile pile top of band mechanical connecting device | |
| CN210421925U (en) | Positioning and embedding device for water stop joint of building | |
| CN107190777A (en) | Immersed tube tunnel final joint docking system and docking calculation | |
| CN107576574B (en) | Testing method for equal-size limit water pressure resistance of deformation joint embedded water stop | |
| CN214993744U (en) | Grouting gun head and grouting construction structure | |
| CN213898998U (en) | Grouting device for preventing secondary lining vault of hydraulic tunnel from coming to nothing | |
| CN114233336B (en) | Tree-shaped steel pipe pile for supporting arch springing of soft foundation arch frame in tunnel and construction process of tree-shaped steel pipe pile | |
| CN109371915B (en) | Rectangular channel repairing method and rectangular channel repairing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |